I used to believe I invented Dennis the Menace. Now granted I was born in 1979, and he was around way before me, but that never stopped me from thinking, for some reason that I came up with the whole concept of Dennis the Menace. I'm not sure where this came from exactly... :)
A childhood belief about tv shows

others believed things like this
- I thought Hurricane Dennis (in 2005) and the character Dennis from the Spongebob movie were related somehow.Anon
- When I was young I used to believe for some reason that being asthmatic meant you were born with no lungs.Anon
- I used to believe that I was older than my brother because I was born in June and he was born in OctoberAnon
- i believe that if im born in december im older then people born in may— runawayfox16
- I used to believe that I actually invented the word "excellent".— poop jacket
- I used to believe that I invented the X Y coordinate system.Anon